(a)[3]
Table 1.1 lists three nutrients found in milk. Complete the table by giving one function of each nutrient in the body of a young mammal.
(b)[6]
Protein digestion starts in the stomach of the human alimentary canal and is completed in the small intestine. Describe in detail how enzymes work to digest protein in the alimentary canal.
(c(i))[2]
Explain why lactose does not get absorbed by the small intestine.
(c(ii))[3]
Suggest the dangers to health of severe diarrhoea if it is left untreated for a long time.
(d(i))[2]
Explain why untreated milk was included in the investigation.
(d(ii))[2]
Suggest why lactase might be added to milk.
(d(iii))[3]
Use the results in Fig. 1.2 to explain why yoghurt is the best milk product for people with lactose intolerance.